Routes and Boulders Activities have their own modality. This allows you to create exercises specific to both Routes & Activities. Once you have created the exercise type such as Routes/Indoor Climbing you can build specific Indoor climbing activities.
If you would like to build a Routes or Boulders specific exercise such has Routes - Indoor climbing type the activity name and if it is not displayed select NEW to create a new exercise.
Select Rock Climbing as the Type, Routes as the Category and Select Save Exercise
This will create a Template that will let you build a Routes Indoor Climbing Activity